[Event "?"] [Site "?"] [Date "2025.07.05"] [Round "1"] [White "Helios-base"] [Black "Helios-dev"] [Result "0-1"] [FEN "r2qkbnr/pp1n1pp1/3p3p/2pPp3/2B1P1b1/P1N2N2/1PP2PPP/R1BQ1RK1 b kq - 0 1"] [GameDuration "00:00:04"] [GameEndTime "2025-07-05T11:36:10.660 UTC"] [GameStartTime "2025-07-05T11:36:06.448 UTC"] [PlyCount "5"] [SetUp "1"] [Termination "illegal move"] [TimeControl "4.01+0.04"] 1... Ngf6 {-0.80 7/7 158 2625396} 2. Be3 {+0.85 9/9 1927 38262782} Qb6 {-0.80 5/5 200 3606124} 3. Rb1 {+0.85 7/7 1120 1473658} O-O-O {-0.80 3/3 159 3067181, White makes an illegal move: a1b1} 0-1